Alguen me podrían ayudar por favor?

Alguen me podrían ayudar por favor. Fill in the blanks with Simple Past Tense. 1) My uncle - - - - - - - - - - - - ( visit ) us this weekend. 2) I - - - - - - - - - - - ( listen ) to music with my friends. 3) We - - - - - - - - - - ( study ) hard for the exam. So, we - - - - - - - - - - - ( answer )all the questions. 4) “ - - - - - you - - - - - - - - ( finish ) your homework? ” “No, I - - - - - - - - - - - . ” 5) I - - - - - - - - - - - ( wait ) for the school bus but it - - - - - - - - - - - - - ( not - come ). 6) Karen - - - - - - - - - - - ( ask ) for help to finish her homework. 7) - - - - - you - - - - - - - - - ( invite ) them to your party last week. 8) Yesterday night, somebody - - - - - - - - - - - - ( knock ) at the door. But I - - - - - - - - - - - ( not - open ) it. 9) The students - - - - - - - - - - - ( walk ) down the street with their teachers. 10) Something strange - - - - - - - - - - - - - - ( happen ) last night. 11) Tom - - - - - - - - - - - ( check ) his answers. 12) The postman - - - - - - - - - - - - - ( deliver ) the letters. 13) We - - - - - - - - - - - ( live ) in Madrid three years ago. 14) Helen - - - - - - - - - - - ( not - study ) for the exam and she - - - - - - - - - - - ( fail ).